Table 3.
Predictors of engagement trajectory. R2=.04 (Cox and Snell) and R2=.05 (Nagelkerke). Model χ28=59.8, P<.001.
| Predictors of engagement trajectory | Beta (SEa) | P value | ORb (95% CI) | |
| Stable engagement (refc) versus decreasing engagement | ||||
| Intercept | −.05 (.57) | .93 | ||
| Age in years | .05 (.02) | .04 | 1.05 (1.003-1.09) | |
| Immigration background (ref yes) | −.28 (.12) | .02 | 0.76 (0.59-0.96) | |
| Binge drinking (ref yes) | .01 (.13) | .98 | 1.00 (0.78-1.30) | |
| Benefits of quitting smoking | −.66 (.24) | .007 | 0.52 (0.32-0.84) | |
| Stable engagement (ref) versus stable nonengagement | ||||
| Intercept | −1.07 (.68) | .12 | ||
| Age in years | .05 (.03) | .05 | 1.05 (0.99-1.10) | |
| Immigration background (ref yes) | −.76 (.15) | <.001 | 0.47 (0.35-0.63) | |
| Binge drinking (ref yes) | .43 (.15) | .005 | 1.54 (1.14-2.08) | |
| Benefits of quitting smoking | −.37 (.29) | .21 | 0.70 (0.39-1.24) | |
aSE: standard error.
bOR: odds ratio.
cref=reference category.